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34 lines (28 loc) · 876 Bytes
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kombinasyon.java
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34 lines (28 loc) · 876 Bytes
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import java.util.Scanner;
public class kombinasyon {
public static void main(String[] args) {
int n,r;
Scanner inp = new Scanner(System.in);
System.out.println("enter 'n':");
n = inp.nextInt();
System.out.println("enter 'r':");
r = inp.nextInt();
int nFaktoriyel = 1;
for (int i = 1; i <= n; i++) {
nFaktoriyel *= i;
}
System.out.println("n fact : " + nFaktoriyel);
int rFaktoriyel = 1;
for (int i = 1; i <= r; i++) {
rFaktoriyel *= i;
}
System.out.println("r fact : "+ rFaktoriyel);
int nrFaktoriyel=1;
for (int i = 1; i <= n-r; i++) {
nrFaktoriyel *= i;
}
double co = nFaktoriyel/(rFaktoriyel*(nrFaktoriyel));
System.out.println("C(n,r) = "+ co);
inp.close();
}
}